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오재철,오재영 순천대학교 기초과학연구소 1996 基礎科學硏究誌 Vol.7 No.-
The necessity of education using computer CAI(Computer Assisted Instruction) with the information society enlarges generally, and education software which can make an individual work according to personal(or individual) ability using the variety of computer and other characteristics is limited to some special area(part) and its relative subjects are very limited. Therefore the purpose of this report is to test the feasibility of the CAI software for physical training. I recommend using three different CAI model for the physical training development. Instrument GREAT is one model within the CAI system which I recommend for Taekwondo training.
Client/Server 기반 멀티미디어 교수설계 프로그램에 관한 연구
오재철,김덕룡 한국정보전략학회 2001 한국정보전략학회지 Vol.4 No.2
To adjust ourselves to the information society, we are in need of a new educational paradigm. The information society is supposed to promote overall changes in the object, content and methods of education. To satisfy the demands in the information society, according to the learners' demands and needs, various kinds of learning materials, such as letters, sounds, pictures, animation, and abundant information infra should be offered. As instructors teach the students in classroom, lots of contents should be given to design the contents in various ways. Especially handy and standardized instructional producing tools to tie various kinds of contents together should be developed. We need the tools to develop the contents. Thus, the purpose of this paper is that, if teachers have their own knowledge of their major subjects in order to design multimedia teaching-plan easily, multimedia teaching-plan with a database driven management system should be projected and constructed, and the educable authoring tool (Multimedia Teaching Plan Program Based on Client/Server) should be embodied with both standardized intellectual presentation and an authoring tool for educational materials.
차병남,오재철 順天大學校 1994 論文集 Vol.13 No.1
□This paper proposes the algorithm for the method to decreasing misrecognition and enhance recognition rate. We should correct the leaned document, standardize the size of character recognition section, segment connection characters, make a enlargment or reduction of character, change non- understanding section into a dialogue form, and inform the system whether the recognition section is character or not in advance. The computer simulation result shows that the correct ratio is 99% and thus this algorithm can be utilized in recognizing characters.
오재철,차기문,차한,박호진,이정상,Oh, Jae-Cheol,Cha, Ki-Moon,Tchah, Hann,Park, Ho-Jin,Lee, Jung-Sang 대한소아소화기영양학회 1998 Pediatric gastroenterology, hepatology & nutrition Vol.1 No.1
Congenital bronchoesophageal fistula associated esophageal atresia usually presents in the newborn period or infancy but those without esophageal atresia are more insidious in disease process. Symptoms which include cough, hemoptysis, choking on swallowing liquids, uncommonly dysphagia, and epigastric discomfort may not begin until adult life. Most of the cases are curative unless there are serious underlying conditions. The diagnosis is usually made by gastroesophagoscopy, esophagogram, bronchogram and bronchoscopy. And the most of the cases can be cured by fistulectomy and resection of involved pulmonary lobes. We experienced one case of congenital bronchoesophageal fistula which occurred in a 13- year-old girl who complained of paroxysmal cough and intermittent hematemesis for 3 years.
박희석,오재철 弘益大學校 科學技術硏究所 1998 科學技術硏究論文集 Vol.9 No.2
The primary objective of this research was to establish and quantify the relationship between the physical degradation factors of multimedia telecommunications (teleconferencing) system and subjective human perception. A prototype teleconferencing simulator was developed in two separate sound-chambers equipped with audio/video equipment running under a custom-developed software program. Simulation experiments using the semantic differential methodology were performed utilizing 26 paid participants (14 college students and 12 housewives). The results indicated that audio/video synchronization and the frame rate are the main system factors for both subject groups, but different pattern of factors´influence was found according to the group, implying that the system configuration would hopefully accommodate the characteristics of the end users. Also, a single quality index, developed for system preference, was revealed to be highly correlated with user satisfaction. The results provide some fundamental data on the human subjective perception of multimedia telecommunications quality, and further can help establish the quality standards to enhance service level.